Xcello Voice Intercom Doorbell with 1000m Long Distance, USB Charging, and IP54 Waterproof Technology

Specification:
Item Type: Voice Intercom Doorbell
Product Material: ABS
Battery: 3 x Li Polymer 2000mAh (Included)
Working Temperature: -20℃-55℃
Wireless Distance: Approx.1000m / 1093.6yd (Without Obstacle), 20m-50m / 21.9-54.7yd (With Obstacle)
Wireless Frequency: 410M-490M
Working Time: Outdoor Doorbell > 6 Months; Indoor Doorbell About 1 Week
Waterproof Level: Outdoor Doorbell IP54
Weight: Approx.447g / 15.8oz
Outdoor Doorbell Size: Approx. 18 x 61.6 x 121mm / 0.7 x 2.4 x 4.8in
Indoor Doorbell Size: Approx. 18 x 116 x 56 x 70mm / 0.7 x 4.6 x 2.2 x 2.8in

Package List:
2 x Indoor Unit
1 x Outdoor Unit
3 x Power Cord
1 x Screwdriver
2 x Base
1 x User Manual